body{
	margin: 0;
	padding: 0;
	font-size: 17px;
	background-color: #f0f0f0;
    font-weight: 800;
}
.box{
	width: 1000px;
	margin: auto;
	overflow: hidden;
	background: #fff;
	border-bottom:5px solid #ff552e; 
}
ul{
	list-style: none;
	padding: 0;
}
.nav>li{
	float: left;
	margin-right: 10px;
	
}
.header{
	width: 100px;
	height: 30px;
	background-color: #ff552e;
	text-align: center;
	line-height: 30px;
	color: #fff;
	border-radius: 3px 3px 0  0;

}
.nav_1{
     width: 90px;
     height: 30px;
     text-align: center;
     line-height: 30px;
     color: #ff552e;
}
.icon{
	background-image: url(http://img.58cdn.com.cn/ui6/index/58app.gif?v=1);
	background-repeat: no-repeat;
	background-position:-4px 0;
	}
.nav_2{

     height: 30px;
     text-align: center;
     line-height: 30px;
     padding: 0 11px;
     color: #666;
} 
.nav_2:hover{
	background-color: #ff552e;
	color: #fff;
	border-radius: 3px 3px 0 0;
}
.nav_right{
	color: #ff552e;
	font-size: 5px;
	font-weight: 800;
	padding-top: 7px;
	float: right;
    text-decoration: none;
}
.nav_right:hover{
     text-decoration: underline;
}